61280802 has 48 divisors (see below), whose sum is σ = 146045952. Its totient is φ = 18416160.

The previous prime is 61280789. The next prime is 61280803. The reversal of 61280802 is 20808216.

It is not an unprimeable number, because it can be changed into a prime (61280803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23928 + ... + 26364.

It is an arithmetic number, because the mean of its divisors is an integer number (3042624).

Almost surely, 2^61280802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61280802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73022976).

61280802 is an abundant number, since it is smaller than the sum of its proper divisors (84765150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61280802 is a wasteful number, since it uses less digits than its factorization.

61280802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 61280802 is about 7828.2055415018. The cubic root of 61280802 is about 394.2528245812.

The spelling of 61280802 in words is "sixty-one million, two hundred eighty thousand, eight hundred two".